Home / 15,111.93-22,682.30-9,279.93

Finding the Fourth Proportional to 15,111.93, 22,682.30 and 9,279.93

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Solution

The fourth proportional to 15,111.93, 22,682.30 and 9,279.93 is: 13,928.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,111.93 : 22,682.30 = 9,279.93 : x
  2. Step 2: Convert to fraction form
    15,111.93/22,682.30 = 9,279.93/x
  3. Step 3: Cross multiply
    15,111.93x = 22,682.30 × 9,279.93
  4. Step 4: Simplify right side
    15,111.93x = 210,490,156.24
  5. Step 5: Solve for x
    x = 210,490,156.24/15,111.93
  6. Step 6: Final answer
    x = 13,928.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.